1328593 has 4 divisors (see below), whose sum is σ = 1518400. Its totient is φ = 1138788.

The previous prime is 1328573. The next prime is 1328603. The reversal of 1328593 is 3958231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3958231 = 23 ⋅172097.

It is a de Polignac number, because none of the positive numbers 2^k-1328593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94893 + ... + 94906.

It is an arithmetic number, because the mean of its divisors is an integer number (379600).

2^1328593 is an apocalyptic number.

It is an amenable number.

1328593 is a deficient number, since it is larger than the sum of its proper divisors (189807).

1328593 is an equidigital number, since it uses as much as digits as its factorization.

1328593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189806.

The product of its digits is 6480, while the sum is 31.

The square root of 1328593 is about 1152.6460861860. The cubic root of 1328593 is about 109.9336514487.

The spelling of 1328593 in words is "one million, three hundred twenty-eight thousand, five hundred ninety-three".